Say goodbye to the 8-legged friends with the Pest XT Battery-Powered Indoor Spider Repeller Uses high-powered ultrasonic frequencies up to 40,000 hertz to deter insects and small pests Effectively drives away spiders, rats, mice, ants, fleas and more after just two weeks Completely inaudible to humans and won't keep you up at night With a dual-speaker design to provide twice the effectiveness  Features a handy red indicator light that flashes every 4 seconds when switched on Powered by 2 x 9V batteries (not included) Dimensions: 99mm (L) x 99mm (W) x 23mm (D) Weight: 77g Frequency: 25 – 40KHz Maximum area: 232m² Save 35% on the  Pest XT Battery-Powered Indoor Spider Repeller - now only 12.99 pounds